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Lesson Plan14:52
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Howard Hughes Medical Institute

The Making of the Fittest: Got Lactase? The Co-evolution of Genes and Culture

For Teachers 8th - Higher Ed Standards
Got milk? Only two cultures have had it long enough to develop the tolerance of lactose as an adult. Learn how the responsible genes evolved along with the cultures that have been consuming milk. This rich film is supplied with a few...
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Activity
Howard Hughes Medical Institute

Winogradsky Columns: Microbial Ecology in the Classroom

For Teachers 9th - 12th Standards
Winogradsky columns are ideal for observing the role of bacteria and other microorganisms in an ecosystem. This student activity guide is complete with data tables for observations and analysis questions for processing what was observed....

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